Maybe because Japan just came off a 4-day bank holiday, and at 6PM their FX desks just opened? They have a lot of stuff to digest after their long vaca.
Was on the right side of this one, kinda sux I didn't have any algo/trailing stop to close at the favorable price though.
https://www.bloomberg.com/news/arti...-set-off-flash-crash-moves-in-currency-market I do remember seeing real time news at another source as it was happening but I didn't read it considering I'm not interested in Forex right now. wrbtrader